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參數資料
| 型號： | CMOD232+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/36頁 |
| 文件大小： | 0K |
| 描述： | EVAL SYSTEM FOR MAX9850 |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 系列： | * |
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General Description
The MAX9850 is a low-power, high-performance stereo
audio DAC with an integrated DirectDrive headphone
amplifier. The MAX9850 is designed to meet the board
space and performance requirements of portable devices
such as cell phones and MP3 and portable DVD players.
The MAX9850 uses Maxim’s DirectDrive headphone
technology that produces a ground-biased analog
audio output from a single supply, which allows for dri-
ving the headphones directly from the amplifier outputs
without large DC-blocking capacitors. This feature
saves board space, provides higher click/pop suppres-
sion, and improves low-frequency (bass) response. The
architecture does not require the headphone jack to be
biased to a DC voltage and thus allows for a conven-
tional, grounded chassis design.
The MAX9850’s flexible clocking circuitry utilizes any
available system clock up to 40MHz, eliminating the
need for an external PLL and multiple crystal oscillators.
The DAC supports a wide range of sample rates from
8kHz to 48kHz in both master and slave modes, making
the MAX9850 the easiest to use and most versatile audio
DAC available. It can also be operated like traditional
synchronous DACs, at any integer-oversampling ratio.
The audio DAC receives input data over a flexible
3-wire interface that supports left-justified, right-justified
audio data, or I2S-compatible audio data. Stereo audio
line inputs are provided to either mix analog audio with
the digital input stream, or to drive the headphone out-
puts directly. Mode settings, headphone amplifier vol-
ume controls, and shutdown for both the headphone
and line outputs are programmed through a 2-wire,
I2C-compatible interface.
The MAX9850 is fully specified over the -40°C to +85°C
extended temperature range and is available in a low-
profile, 28-pin thin QFN package (5mm x 5mm x 0.8mm).
Applications
MP3/Portable Multimedia Players
Cell Phones/Smart Phones
Portable DVD Players
Features
1.8V to 3.6V Single-Supply Operation
30mW Stereo Headphone Output Power with
1.8V Supply
DirectDrive Outputs Eliminate DC-Blocking
Capacitors
91dB PSRR at 1kHz
Any Master Clock Up to 40MHz
Flexible I2S-Compatible Digital Audio Interface
I2C Headphone Volume and Mute Control
Stereo Line Inputs and Outputs
Clickless/Popless Operation
2-Wire (I2C)-Compatible Control Interface
Available in 28-Pin Thin QFN Package
MAX9850
Stereo Audio DAC with DirectDrive
Headphone Amplifier
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-3454; Rev 3; 4/06
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
EVALUATION
KIT
AVAILABLE
PART
TEMP RANGE
PIN-PACKAGE
PKG
CODE
MAX9850ETI+
-40°C to +85°C
28 TQFN-EP**
T2855-6
Pin Configuration appears at end of data sheet.
+
DAC
+
DAC
DIGITAL
AUDIO
DIGITAL
PLL
I2C
MAX9850
SDIN
BCLK
LRCLK
SDA
SCL
ADD
GPIO
LINE
OUT
LINE
OUT
OUTR
HPR
HPL
OUTL
INL
INR
1.8V TO 3.6V
MCLK
Block Diagram
**EP = Exposed pad.
+Denotes lead-free package.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CMOD232+ | 功能描述:界面開發工具 Cmod232+ Eval Kit RoHS:否 制造商:Bourns 產品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| CMOD3003 | 功能描述:二極管 - 通用，功率，開關 ULTRAMINI SURFACE MOUNT RoHS:否 制造商:STMicroelectronics 產品:Switching Diodes 峰值反向電壓:600 V 正向連續電流:200 A 最大浪涌電流:800 A 配置: 恢復時間:2000 ns 正向電壓下降:1.25 V 最大反向漏泄電流:300 uA 最大功率耗散: 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:ISOTOP 封裝:Tube |
| CMOD3003 BK | 制造商:Central Semiconductor Corp 功能描述:Diode Switching 180V 0.6A Box |
| CMOD3003 TR | 制造商:Central Semiconductor Corp 功能描述:Diodes - General Purpose, Power, Switching ULTRAMINI SURFACE MOUNT |
| CMOD3003_10 | 制造商:CENTRAL 制造商全稱:Central Semiconductor Corp 功能描述:SURFACE MOUNT LOW LEAKAGE SILICON SWITCHING DIODE |
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